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Finding the Fourth Proportional to 201,249.36, 277,730.78 and 110,608.56

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Solution

The fourth proportional to 201,249.36, 277,730.78 and 110,608.56 is: 152,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,249.36 : 277,730.78 = 110,608.56 : x
  2. Step 2: Convert to fraction form
    201,249.36/277,730.78 = 110,608.56/x
  3. Step 3: Cross multiply
    201,249.36x = 277,730.78 × 110,608.56
  4. Step 4: Simplify right side
    201,249.36x = 30,719,401,090.43
  5. Step 5: Solve for x
    x = 30,719,401,090.43/201,249.36
  6. Step 6: Final answer
    x = 152,643.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.